InChI: | InChI=1/C44H50N6O4/c51-41(31-53-27-25-49-21-9-3-10-22-49)45-35-17-19-39-37(29-35)43(33-13-5-1-6-14-33)47-40-20-18-36(30-38(40)44(48-39)34-15-7-2-8-16-34)46-42(52)32-54-28-26-50-23-11-4-12-24-50/h1-2,5-8,13-20,29-30H,3-4,9-12,21-28,31-32H2,(H,45,51)(H,46,52)/b43-37-,44-38-,47-40-,47-43-,48-39-,48-44- |